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Do better working memory and higher intrinsic motivation predict greater math achievement? Disaggregating within-person and between-person effects in a birth cohort followed from age 8 to 16

delete2026-05-25
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Astrid Hoås Morin *
L
Lars Wichstrøm
S
Silje Steinsbekk
S
Silje Skaug Stokke
V
Vera Skalicka
F
Frode Stenseng
DOI:10.1016/j.cedpsych.2026.102467delete
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Abstract

Abstract

En 中文
• Used LCM-SR to separate within- and between-person effects in math achievement. • Intrinsic motivation and math achievement showed reciprocal within-person relations. • No within-person associations found between working memory and math achievement. • Working memory and math achievement were linked via stable between-person differences. • Findings support intrinsic motivation strategies for long-term growth in mathematics.
Keywords:
Intrinsic motivation
Working memory
Math achievement
Latent curve model with structured residuals
Within-person effects
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Contemporary Educational Psychology cover
Contemporary Educational Psychology
IF:
3.8
Papers:
1.8K
Citations:
1.0W

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norwegian university of science and technology
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1.2K
Papers: 660
Citations: 1
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